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How to show line number when executing bash script
I have a test script which has a lot of commands and will generate lots of output, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a m...
String.replaceAll single backslashes with double backslashes
...ce() should suffice:
string.replace("\\", "\\\\");
Update: as per the comments, you appear to want to use the string in JavaScript context. You'd perhaps better use StringEscapeUtils#escapeEcmaScript() instead to cover more characters.
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The differences between .build, .create, and .create! and when should they be used?
... edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Dec 31 '08 at 18:26
zenaznzenazn
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d3 axis labeling
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Axis labels aren't built-in to D3's axis component, but you can add labels yourself simply by adding an SVG text element. A good example of this is my recreation of Gapminder’s animated bubble chart, The Wealth & Health of Nations. The x-axis label looks like ...
How to load json into my angular.js ng-model?
...u are beginning your journey with Angular - I was there last week - so I recommend to start experimenting directly with the $http service. In this case you can call its get method.
If you have the following JSON
[{ "text":"learn angular", "done":true },
{ "text":"build an angular app", "done":fal...
Left-pad printf with spaces
...ot I think a constant with 40 spaces would be faster. I don't know if the compiler is able to optimize printf formats.
– Bill the Lizard
Nov 16 '08 at 4:13
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MIN/MAX vs ORDER BY and LIMIT
... edited May 23 '17 at 12:02
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111 silver badge
answered Jan 9 '09 at 1:51
Sean McSomethingSean ...
.NET JIT potential error?
... Just Visual Studio, copy/paste from the debugger's Disassembly window and comments added by hand.
– Hans Passant
May 23 '13 at 16:19
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Multiple columns index when using the declarative ORM extension of sqlalchemy
According to the documentation and the comments in the sqlalchemy.Column class, we should use the class sqlalchemy.schema.Index to specify an index that contains multiple columns.
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